Finding the Fourth Proportional to 2,135,416.04, 2,946,874.36 and 1,168,546.53
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Solution
The fourth proportional to 2,135,416.04, 2,946,874.36 and 1,168,546.53 is: 1,612,594.34
Step by Step Solution
- Step 1: Write the proportion equation
2,135,416.04 : 2,946,874.36 = 1,168,546.53 : x - Step 2: Convert to fraction form
2,135,416.04/2,946,874.36 = 1,168,546.53/x - Step 3: Cross multiply
2,135,416.04x = 2,946,874.36 × 1,168,546.53 - Step 4: Simplify right side
2,135,416.04x = 3,443,559,807,723.97 - Step 5: Solve for x
x = 3,443,559,807,723.97/2,135,416.04 - Step 6: Final answer
x = 1,612,594.34
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.